<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script>
    // 对象
    var person = {
        name: "Aig",
        age: 23,
        sex: "M",
        2019: true,
        "a": false
    };
    var myGirl = new Object(person);
    console.log(myGirl);
    console.log(person);
    console.log(person.name, person.a, person[2019]);
</script>
</body>
</html>